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Why will a sheet of paper fall slower than one that is crumple
Science
Science

Class 9

NCERT

Publisher:
NCERT
Subject:
Science
1

Chapter 1: Matter in Our Surroundings

9 questions

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2

Chapter 2: Is Matter Around Us Pure?

13 questions

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3

Chapter 3: Atoms and Molecules

16 questions

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4

Chapter 4: Structure of the Atom

19 questions

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5

Chapter 5: The Fundamental Unit of Life

10 questions

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6

Chapter 6: Tissues

15 questions

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7

Chapter 7: Diversity in Living Organisms

6 questions

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8

Chapter 8: Motion

18 questions

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9

Chapter 9: Force and Laws of Motion

29 questions

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10

Chapter 10: Work and Energy

23 questions

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11

Chapter 11: Sound

25 questions

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12

Chapter 12: Why do We Fall Ill?

6 questions

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13

Chapter 13: Natural Resourses

6 questions

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14

Chapter 14: Improvement in Food Resources

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15

Chapter 15: Gravitation

29 questions

Q1
Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why? [Hint : The value of g is greater at the poles than at the equator.]
Q2
Why will a sheet of paper fall slower than one that is crumpled into a ball?
Q3
Gravitational force on the surface of the moon is only as strong as gravitational force on the earth. What is the weight in newtons of a object on the moon and on the earth?
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Why will a sheet of paper fall slower than one that is crumpled into a ball?

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Updated on: Jan 7, 2023

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Science (NCERT)

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Text SolutionText solutionverified iconVerified

By crumpling the paper into a ball, the volume of the object decreases but the mass remains the same. Hence its density increases. 
As air applies some resistance on falling sheet of paper as well as crumpled ball but the resistance to the motion of crumpled ball through the air decreases that makes it to fall faster than the sheet of paper.   
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Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why? [Hint : The value of g is greater at the poles than at the equator.]
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Why will a sheet of paper fall slower than one that is crumpled into a ball?
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Gravitational force on the surface of the moon is only as strong as gravitational force on the earth. What is the weight in newtons of a object on the moon and on the earth?
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Question Text
Why will a sheet of paper fall slower than one that is crumpled into a ball?
Updated OnJan 7, 2023
TopicGravitation
SubjectScience
ClassClass 9
Answer TypeText solution:1 Video solution: 2
Upvotes152
Avg. Video Duration4 min